20156335784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1\times {\mathrm{3793}}^1$

素因数の和:5230

約数の個数: 64

約数和(自身を含む): 41841597840

約数和(自身を除く): 21685262056

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1381, 1924, 2762, 3793, 3848, 5524, 7586, 11048, 15172, 17953, 30344, 35906, 49309, 51097, 71812, 98618, 102194, 140341, 143624, 197236, 204388, 280682, 394472, 408776, 561364, 664261, 1122728, 1328522, 1824433, 2657044, 3648866, 5238133, 5314088, 7297732, 10476266, 14595464, 20952532, 41905064, 68095729, 136191458, 193810921, 272382916, 387621842, 544765832, 775243684, 1550487368, 2519541973, 5039083946, 10078167892, 20156335784]

約数ペア:

[(1, 20156335784), (2, 10078167892), (4, 5039083946), (8, 2519541973), (13, 1550487368), (26, 775243684), (37, 544765832), (52, 387621842), (74, 272382916), (104, 193810921), (148, 136191458), (296, 68095729), (481, 41905064), (962, 20952532), (1381, 14595464), (1924, 10476266), (2762, 7297732), (3793, 5314088), (3848, 5238133), (5524, 3648866), (7586, 2657044), (11048, 1824433), (15172, 1328522), (17953, 1122728), (30344, 664261), (35906, 561364), (49309, 408776), (51097, 394472), (71812, 280682), (98618, 204388), (102194, 197236), (140341, 143624)]